Refactor rate-limiting and name history queries.

Removed redundant rate-limit response headers and improved query methods for fetching punishment history. Refactored methods to handle cases where partial names are empty and added escaping for underscores in search names.

backend/src/main/java/com/alttd/altitudeweb/controllers/limits/RateLimitAspect.java

@@ -71,13 +71,6 @@ public class RateLimitAspect {
 
             Duration nextResetTime = rateLimiterService.getNextResetTime(key, duration);
 
-            if (response != null) {
-                response.setStatus(HttpStatus.TOO_MANY_REQUESTS.value());
-                response.setHeader("X-Rate-Limit-Limit", String.valueOf(limit));
-                response.setHeader("X-Rate-Limit-Remaining", "0");
-                response.setHeader("Retry-After", String.valueOf(nextResetTime.getSeconds()));
-            }
-
             return ResponseEntity
                     .status(HttpStatus.TOO_MANY_REQUESTS)
                     .header("X-Rate-Limit-Limit", String.valueOf(limit))